Jackson

Every time a solar eclipse approaches, emergency rooms and ophthalmologists brace for a wave of preventable eye injuries. People grab their darkest pair of sunglasses, step outside, and stare at the partially eclipsed sun thinking they are protected. They are not. Understanding why regular sunglasses are never safe for eclipse viewing could literally save your … Read more

Learning how to build a pinhole projector to watch a partial eclipse is one of the simplest and safest ways to experience a solar event without specialized equipment. All you need are two pieces of cardboard, a pin, and a few minutes of your time. The result is a projected image of the Sun that … Read more

Every new moon, the Moon sits between the Earth and the Sun in its monthly orbit. So why doesn’t the Moon’s shadow fall on Earth every single time? The Moon’s orbit around Earth is tilted about 5 degrees relative to Earth’s orbit around the Sun. This means the Moon usually passes above or below the … Read more

A total solar eclipse occurs when the Moon completely covers the Sun, plunging daylight into an eerie twilight. An annular eclipse occurs when the Moon is too far from Earth to fully cover the Sun, leaving a bright ring of light visible around the lunar disk. That single distinction — whether the Moon appears large … Read more

On August 12, 2026, a total solar eclipse will sweep across the Arctic, Greenland, Iceland, and northern Spain, but here in the United States, we will only see a partial solar eclipse. That partial eclipse will be visible from 25 US states, stretching from Alaska all the way east to North Carolina. If you have … Read more

If you are told a location will experience a 99 percent partial eclipse, you might assume that is close enough to totality. It is not. A 99 percent partial eclipse is nothing like totality – and understanding why could change how you plan your next eclipse trip entirely. The difference between covering 99 percent of … Read more

In late 1610, Galileo Galilei turned his primitive telescope toward Venus and watched the planet go through a complete series of phases, beginning from a thin crescent, gradually waxing to a full disk, then waning back to a crescent before disappearing altogether. That single observation shattered the ancient Ptolemaic model of the universe and confirmed … Read more

Point a small telescope at Jupiter and you get cloud bands, four Galilean moons, and maybe the Great Red Spot. Point that same telescope at Uranus or Neptune and you get a tiny, featureless dot that looks exactly like a star. That disappointment is the first thing every amateur astronomer experiences when hunting the ice … Read more

By the time you finish reading this guide, you’ll know exactly how to use a free planetarium app to plan a night of observing from start to finish. No paid software required. Most people carry one of the most powerful astronomy tools ever invented right in their pocket. A modern smartphone, paired with the right … Read more

If you have ever looked through a telescope and felt underwhelmed by a tiny, dim image, the culprit is almost certainly aperture. Understanding how a telescope’s aperture determines what you can see is the single most important concept to grasp before buying or using any telescope. It affects everything from how bright the Moon looks … Read more